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Finding the Fourth Proportional to 7,599.78, 10,486.94 and 4,242.29

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Solution

The fourth proportional to 7,599.78, 10,486.94 and 4,242.29 is: 5,853.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,599.78 : 10,486.94 = 4,242.29 : x
  2. Step 2: Convert to fraction form
    7,599.78/10,486.94 = 4,242.29/x
  3. Step 3: Cross multiply
    7,599.78x = 10,486.94 × 4,242.29
  4. Step 4: Simplify right side
    7,599.78x = 44,488,567.05
  5. Step 5: Solve for x
    x = 44,488,567.05/7,599.78
  6. Step 6: Final answer
    x = 5,853.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.